Leakage Causes Analysis on a Boiler Enclosure Wall Superheater

DOI

10.2991/mebe-15.2015.48How to use a DOI?

Keywords

Leakage; superheater; weld parameter

Abstract

The leakage reasons for a boiler enclosure wall superheater were discussed based on experimental results of macro fracture observation, chemical composition analysis, metallurgical microstructure examination, SEM and EDS analysis. It was presumed that weld flaw firstly formed due to large weld process parameters, then propagated under long period fatigue stress and developed to penetrated crack, leading to final leakage. It was suggested that boiler supervision and four-tube inspection should be enhanced.

Copyright

© 2015, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Weiyong Li
AU  - Yaofang He
AU  - Xin Guan
AU  - Yanjun Meng
PY  - 2015/04
DA  - 2015/04
TI  - Leakage Causes Analysis on a Boiler Enclosure Wall Superheater
BT  - Proceedings of the 2015 International Conference on Materials, Environmental and Biological Engineering
PB  - Atlantis Press
SP  - 201
EP  - 204
SN  - 2352-5401
UR  - https://doi.org/10.2991/mebe-15.2015.48
DO  - 10.2991/mebe-15.2015.48
ID  - Li2015/04
ER  -